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Fluocerite-(Ce)

Year of discovery: 1845 (Broddbo, Sweden, and Finnbo, Sweden), 1980 (Japan)

Locality list: 2 localities of fluocerite-(Ce)

• CeF₃
• (Ce,La)F₃
• [Ce³⁺][F₃]^3-

• Class: Fluocerite group
• Class: Fluoride
• Soluble in: H₂SO₄
• Insoluble in: HCl, HNO₃
• Radioactive: Weak
• Substitution pseudomorph: Replaced by Bastnäsite-(Ce) (Bastnasite-(Ce)).

• Ce => La: Fluocerite-(La)

• Color: Pale yellow, Reddish brown
• Streak: Pale yellow
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Distinct on {0001} (1 planes), Indistinct on {1120} (3 planes)
• Hardness: 4.5-5
• Density: 6.1

• System: Hexagonal
• Group: 6/mmm, P6₃/mcm
• Lattice: a=7.1, c=7.3